Any class without Gate should really have a way to get the hell out of Dodge when needed.
Of course you can (and darn well should) carry
Philter of Major Translocations but you can't use those during combat usually.
It's definately a good idea to keep one of those
instant gate potions on hand for the real emergencies, but they run 1k a pop so that's not an every time use thing.
The
OT hammer is most convenient for leaving a camp when group is breaking up or trying to save your hide if things get nasty. It's not so useful if you're all alone with either no mobs to use it on or with only mobs that will probably kill you before it can proc.
Another option is the
Thurg gate potion, which is an easy repeatable quest for a 10-second gate to Thurgadin. It's pretty cheap and very easy, and gives you another option of places to port to.